What are ventricles "doing" during atrial contraction?
A) Pumping blood into the great vessels
B) Closing their AV valves
C) Relaxing
D) Opening their semilunar valves
Correct Answer:
Verified
Q35: The correct sequence is: Blood flows from
Q36: The epicardium is a layer of the
A)myocardium.
B)diaphragm.
C)pericardium.
D)endocardium.
Q37: What event causes the pulmonic valve to
Q38: Which of the following must precede ventricular
Q39: What is the name of the valve
Q41: The heart
A)lies within the mediastinal and thoracic
Q42: Which structure "sees" oxygenated blood?
A)Tricuspid valve
B)Pulmonary artery
C)Pulmonary
Q43: During ventricular contraction,the
A)AV valves close in response
Q44: Which of the following is most related
Q45: A hole in the interventricular septum causes
A)blood
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